Home / 102,132.68-140,904.43-63,352.55

Finding the Fourth Proportional to 102,132.68, 140,904.43 and 63,352.55

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Solution

The fourth proportional to 102,132.68, 140,904.43 and 63,352.55 is: 87,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,132.68 : 140,904.43 = 63,352.55 : x
  2. Step 2: Convert to fraction form
    102,132.68/140,904.43 = 63,352.55/x
  3. Step 3: Cross multiply
    102,132.68x = 140,904.43 × 63,352.55
  4. Step 4: Simplify right side
    102,132.68x = 8,926,655,140.68
  5. Step 5: Solve for x
    x = 8,926,655,140.68/102,132.68
  6. Step 6: Final answer
    x = 87,402.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.